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Explore Tech Stacks Behind Popular Open Source Tools

Discover top tech stacks powering popular open-source projects. Learn which technologies are trending and widely used. Expand your skills, contribute, or update your tech stack.

AI
Favicon of OpenAI
OpenAI(171)
Favicon of Anthropic
Anthropic(109)
Favicon of Gemini AI
Gemini AI(38)
Favicon of Ollama
Ollama(38)
Favicon of Groq
Groq(37)
Favicon of Mistral AI
Mistral AI(35)
Favicon of Hugging Face
Hugging Face(22)
Favicon of Cohere AI
Cohere AI(21)
Favicon of AWS Bedrock
AWS Bedrock(18)
Favicon of X AI
X AI(16)
Favicon of Vertex AI
Vertex AI(14)
Favicon of Perplexity AI
Perplexity AI(13)
Language
Favicon of JavaScript
JavaScript(695)
Favicon of CSS
CSS(606)
Favicon of Bash
Bash(594)
Favicon of Typescript
Typescript(568)
Favicon of JSX
JSX(427)
Favicon of Python
Python(313)
Favicon of SCSS
SCSS(169)
Favicon of Golang
Golang(168)
Favicon of Rust
Rust(137)
Favicon of C
C(133)
Favicon of Objective-C
Objective-C(123)
Favicon of Vue
Vue(98)
Framework
Favicon of Next.js
Next.js(193)
Favicon of Tauri
Tauri(38)
Favicon of SvelteKit
SvelteKit(34)
Favicon of Laravel
Laravel(30)
Favicon of NestJS
NestJS(29)
Favicon of Nuxt.js
Nuxt.js(19)
Favicon of Tanstack Start
Tanstack Start(13)
Favicon of Remix
Remix(12)
Favicon of Django
Django(9)
Favicon of Rails
Rails(5)
Favicon of Meteor
Meteor(2)
Favicon of Yii2
Yii2(1)
Database
Favicon of Postgres
Postgres(265)
Favicon of Redis
Redis(228)
Favicon of Mysql
Mysql(83)
Favicon of SQLite
SQLite(76)
Favicon of ClickHouse
ClickHouse(68)
Favicon of MongoDB
MongoDB(66)
Favicon of Elasticsearch
Elasticsearch(42)
Favicon of MariaDB
MariaDB(27)
Favicon of Upstash Redis
Upstash Redis(25)
Favicon of AWS Secrets Manager
AWS Secrets Manager(24)
Favicon of Algolia
Algolia(21)
Favicon of AWS DynamoDB
AWS DynamoDB(20)
Cloud
Favicon of AWS
AWS(276)
Favicon of GCP
GCP(149)
Favicon of Vercel
Vercel(107)
Favicon of Cloudflare
Cloudflare(73)
Favicon of Azure
Azure(54)
Favicon of Supabase
Supabase(51)
Favicon of Upstash
Upstash(35)
Favicon of Flyio
Flyio(34)
Favicon of Netlify
Netlify(32)
Favicon of Google
Google(25)
Favicon of Firebase
Firebase(19)
Favicon of Railway
Railway(12)
UI Framework
Favicon of React
React(407)
Favicon of Vue.js
Vue.js(84)
Favicon of Svelte
Svelte(51)
Favicon of Angular
Angular(25)
Favicon of ExpoJS
ExpoJS(22)
Favicon of Solid js
Solid js(20)
Favicon of Preact
Preact(15)
Favicon of Lit
Lit(9)
Favicon of Alpine.js
Alpine.js(6)
Favicon of Ember
Ember(5)
Favicon of HTMX
HTMX(3)
Favicon of Ionic
Ionic(3)
Runtime
Favicon of NodeJS
NodeJS(648)
Favicon of Electron
Electron(69)
Favicon of Bun
Bun(57)
Favicon of Deno
Deno(16)
Favicon of Capacitor
Capacitor(4)
Favicon of Cordova
Cordova(1)
Tool
Favicon of Docker
Docker(574)
Favicon of Express
Express(150)
Favicon of OpenAPI
OpenAPI(139)
Favicon of MCP
MCP(84)
Favicon of HonoJS
HonoJS(63)
Favicon of React Email
React Email(54)
Favicon of TRPC
TRPC(44)
Favicon of Socket.io
Socket.io(30)
Favicon of Fastify
Fastify(26)
Favicon of Mailhog
Mailhog(18)
Koa(8)
Favicon of Twig
Twig(8)
Analytics
Favicon of PostHog
PostHog(162)
Favicon of Vercel Analytics
Vercel Analytics(34)
Favicon of Segment
Segment(18)
Favicon of Google Analytics
Google Analytics(16)
Favicon of Amplitude Analytics
Amplitude Analytics(12)
Favicon of Mixpanel
Mixpanel(10)
Favicon of Tinybird
Tinybird(9)
Favicon of Plausible
Plausible(8)
Favicon of LogSnag
LogSnag(3)
Auth
Favicon of Betterauth
Betterauth(36)
Favicon of Clerk
Clerk(15)
Favicon of Auth0
Auth0(10)
Favicon of Okta
Okta(4)
Favicon of Ory
Ory(4)
Favicon of SuperTokens
SuperTokens(4)
Favicon of WorkOS
WorkOS(4)
Favicon of Hanko
Hanko(2)
Favicon of Logto
Logto(2)
Favicon of Supabase Auth
Supabase Auth(2)
Favicon of AWS Cognito
AWS Cognito(1)
Favicon of PropelAuth
PropelAuth(1)
CMS
Favicon of Ghost
Ghost(3)
Favicon of Contentful
Contentful(2)
Favicon of Payload
Payload(2)
Favicon of Shopify
Shopify(2)
Favicon of Wordpress
Wordpress(2)
Favicon of Commercetools
Commercetools(1)
Favicon of Dato CMS
Dato CMS(1)
Favicon of Drupal
Drupal(1)
Favicon of Strapi
Strapi(1)
Favicon of Webflow
Webflow(1)
Hosting
Favicon of Cloudflare Workers
Cloudflare Workers(52)
Favicon of Kubernetes
Kubernetes(31)
Favicon of Vercel Functions
Vercel Functions(29)
Favicon of Render
Render(22)
Favicon of AWS Lambda
AWS Lambda(21)
Favicon of Github Pages
Github Pages(21)
Favicon of AWS Container
AWS Container(15)
Favicon of Vercel Edge
Vercel Edge(13)
Favicon of Google Compute
Google Compute(8)
Favicon of AWS Compute
AWS Compute(6)
Favicon of Replit
Replit(5)
Favicon of AWS Kubernetes
AWS Kubernetes(4)
CI/CD
Favicon of Github Actions
Github Actions(711)
Favicon of Dependabot
Dependabot(208)
Favicon of Codecov
Codecov(85)
Favicon of Renovate
Renovate(73)
Favicon of CypressCI
CypressCI(55)
Favicon of TravisCI
TravisCI(27)
Favicon of CircleCI
CircleCI(21)
Favicon of Gitlab CI
Gitlab CI(18)
Favicon of GitHub CodeQL
GitHub CodeQL(11)
Favicon of Depot.dev
Depot.dev(8)
Favicon of Deepsource
Deepsource(7)
Favicon of StyleCI
StyleCI(6)
Payment
Favicon of Stripe
Stripe(113)
Favicon of Polar
Polar(13)
Favicon of Paddle
Paddle(8)
Favicon of Lemon Squeezy
Lemon Squeezy(5)
Favicon of Paypal
Paypal(5)
Favicon of RevenueCat
RevenueCat(1)
Favicon of Square
Square(1)
Monitoring
Favicon of Sentry
Sentry(165)
Favicon of OpenTelemetry
OpenTelemetry(135)
Favicon of Prometheus
Prometheus(64)
Favicon of Datadog
Datadog(18)
Favicon of AWS Cloudwatch
AWS Cloudwatch(13)
Favicon of Zipkin
Zipkin(9)
Favicon of HyperDX
HyperDX(4)
Favicon of Better Stack
Better Stack(3)
Favicon of Bugsnag
Bugsnag(3)
Favicon of Cloud Logging
Cloud Logging(3)
Favicon of New Relic
New Relic(3)
Favicon of Signoz
Signoz(2)
Security
Favicon of Snyk
Snyk(9)
Favicon of AWS Kms
AWS Kms(8)
Favicon of Infisical
Infisical(7)
Favicon of Cloud KMS
Cloud KMS(5)
Storage
Favicon of AWS S3
AWS S3(195)
Favicon of Cloud Storage
Cloud Storage(47)
Favicon of Azure Storage
Azure Storage(23)
Favicon of AWS Container Registry
AWS Container Registry(15)
Favicon of AWS CloudFront
AWS CloudFront(8)
Favicon of Supabase Storage
Supabase Storage(3)
Favicon of AWS Block Storage
AWS Block Storage(2)
Favicon of Cloud Artifact Registry
Cloud Artifact Registry(1)
ORM
Favicon of Drizzle ORM
Drizzle ORM(66)
Favicon of Prisma
Prisma(60)
Favicon of Knex
Knex(31)
Favicon of GORM
GORM(17)
Favicon of TypeORM
TypeORM(17)
Favicon of Kysely
Kysely(15)
Favicon of Diesel
Diesel(8)
Favicon of Sequelize
Sequelize(7)
Favicon of SQLAlchemy
SQLAlchemy(6)
Favicon of Doctrine
Doctrine(5)
Favicon of ent.
ent.(4)
Test
Favicon of Vitest
Vitest(254)
Favicon of Testing Library
Testing Library(196)
Favicon of Jest
Jest(183)
Favicon of Storybook
Storybook(88)
Favicon of Mocha
Mocha(50)
Favicon of PHPUnit
PHPUnit(41)
Favicon of PHP Pest
PHP Pest(15)
Favicon of Lighthouse
Lighthouse(4)
Favicon of Grafana K6
Grafana K6(2)
Builder
Favicon of Vite
Vite(303)
Favicon of Babel
Babel(132)
Favicon of Turborepo
Turborepo(127)
Favicon of Esbuild
Esbuild(124)
Favicon of Webpack
Webpack(111)
Favicon of Rollup
Rollup(70)
Favicon of SWC
SWC(58)
Favicon of NX
NX(24)
Favicon of Rspack
Rspack(10)
Favicon of Parcel
Parcel(7)
Favicon of Rolldown
Rolldown(6)
Package Manager
Favicon of npm
npm(333)
Favicon of pnpm
pnpm(202)
Favicon of nvm
nvm(176)
Favicon of Cargo
Cargo(134)
Favicon of Yarn
Yarn(127)
Favicon of Composer
Composer(64)
Favicon of Bundler
Bundler(55)
Favicon of Poetry
Poetry(30)
asdf(28)
Favicon of rubyenv
rubyenv(24)
Favicon of pipenv
pipenv(5)
Favicon of goenv
goenv(2)
SSG
Favicon of Docusaurus
Docusaurus(41)
Favicon of Astro
Astro(31)
Favicon of FumaDocs
FumaDocs(28)
Favicon of Mintlify
Mintlify(25)
Favicon of MkDocs
MkDocs(20)
Favicon of VitePress
VitePress(12)
Favicon of Fern
Fern(4)
Favicon of Hugo
Hugo(4)
Favicon of Jekyll
Jekyll(4)
Favicon of Read The Docs
Read The Docs(3)
Favicon of Gatsby
Gatsby(2)
Favicon of Eleventy
Eleventy(1)
Favicon of VuePress
VuePress(1)
Automation
Favicon of Playwright
Playwright(163)
Favicon of Puppeteer
Puppeteer(31)
Favicon of Firecrawl
Firecrawl(15)
Favicon of Selenium
Selenium(13)
Favicon of AWS Step Functions
AWS Step Functions(3)
Favicon of Inngest
Inngest(3)
Favicon of Crawl4AI
Crawl4AI(2)
Favicon of Apify
Apify(1)
Favicon of Browser Use
Browser Use(1)
Favicon of n8n
n8n(1)
Communication
Favicon of Slack
Slack(62)
Favicon of Discord
Discord(20)
Favicon of X
X(15)
Favicon of Telegram
Telegram(13)
Favicon of Facebook
Facebook(9)
Favicon of Youtube
Youtube(9)
Favicon of Intercom
Intercom(8)
Favicon of Linkedin
Linkedin(4)
Favicon of WhatsApp
WhatsApp(4)
Favicon of Twitch
Twitch(3)
Favicon of Zendesk
Zendesk(3)
Favicon of Zoom
Zoom(3)
Collaboration
Favicon of Crowdin
Crowdin(51)
Favicon of Airtable
Airtable(16)
Favicon of Cal.com
Cal.com(11)
Favicon of Notion
Notion(11)
Favicon of Linear
Linear(8)
Favicon of Calendly
Calendly(3)
Favicon of Gmail
Gmail(3)
Favicon of Google Sheets
Google Sheets(3)
Favicon of Asana
Asana(2)
Favicon of Google Calendar
Google Calendar(2)
Favicon of Google Drive
Google Drive(2)
Favicon of ClickUp
ClickUp(1)
Notification
Favicon of Resend
Resend(76)
Favicon of AWS Simple Email Service
AWS Simple Email Service(20)
Favicon of Twilio
Twilio(19)
Favicon of Sendgrid
Sendgrid(16)
Favicon of AWS Notification Service
AWS Notification Service(15)
Favicon of Mailgun
Mailgun(6)
Favicon of Zapier
Zapier(5)
Favicon of Mailchimp
Mailchimp(4)
Favicon of Brevo
Brevo(3)
Favicon of Novy
Novy(3)
Favicon of Beehiiv
Beehiiv(1)
Favicon of Mailjet
Mailjet(1)
Queue
Favicon of RabbitMQ
RabbitMQ(24)
Favicon of AWS SQS
AWS SQS(20)
Favicon of Nats
Nats(19)
Favicon of Apache Kafka
Apache Kafka(17)
Favicon of Celery
Celery(11)
Favicon of Upstash QStash
Upstash QStash(11)
Favicon of PubSub
PubSub(8)
Favicon of AWS Kinesis
AWS Kinesis(4)
Favicon of Upstash Kafka
Upstash Kafka(2)
Favicon of Supabase Realtime
Supabase Realtime(1)
CRM
Favicon of Salesforce
Salesforce(4)
Favicon of Twenty CRM
Twenty CRM(1)
Validation
Favicon of Zod
Zod(285)
Favicon of JSON Schema
JSON Schema(118)
Favicon of Joi
Joi(16)
Favicon of TypeBox
TypeBox(11)
Favicon of Valibot
Valibot(9)
Favicon of ArkType
ArkType(4)
Favicon of Superstruct
Superstruct(3)
ETL
Favicon of Nango
Nango(5)
Favicon of Composio
Composio(4)
Favicon of Databricks
Databricks(3)
Favicon of Logstash
Logstash(2)
Favicon of Airbyte
Airbyte(1)
Favicon of Apideck
Apideck(1)
IaC
Favicon of Helm
Helm(74)
Favicon of Terraform
Terraform(32)
Favicon of Pulumi
Pulumi(12)
Favicon of Terragrunt
Terragrunt(2)
Favicon of AWS CloudFormation
AWS CloudFormation(1)
Linter
Favicon of Eslint
Eslint(457)
Favicon of Prettier
Prettier(428)
Favicon of Biome JS
Biome JS(94)
Favicon of Stylelint
Stylelint(36)
Favicon of OxLint
OxLint(29)
Favicon of PHPStan
PHPStan(26)
Favicon of Rubocop
Rubocop(22)
Favicon of Vale
Vale(13)
Favicon of GolangCI Lint
GolangCI Lint(10)
Maps
Favicon of Mapbox
Mapbox(9)
Favicon of Google Maps
Google Maps(6)
Iconset
Favicon of Lucide Icons
Lucide Icons(232)
Favicon of Radix Icons
Radix Icons(67)
Favicon of React Icons
React Icons(67)
Favicon of Heroicons
Heroicons(46)
Favicon of Tabler
Tabler(40)
Favicon of Font Awesome
Font Awesome(24)
Favicon of MUI Icons
MUI Icons(22)
Favicon of Phosphor Icons
Phosphor Icons(21)
Favicon of Ant Design Icons
Ant Design Icons(19)
Favicon of Remix Icons
Remix Icons(16)
Favicon of Simple Icons
Simple Icons(14)
Favicon of Bootstrap Icons
Bootstrap Icons(6)
Favicon of Feather Icons
Feather Icons(4)
UI
Favicon of Tailwind
Tailwind(373)
Favicon of Radix UI
Radix UI(194)
Favicon of Shadcn
Shadcn(174)
Favicon of React Router DOM
React Router DOM(165)
Favicon of CodeMirror
CodeMirror(102)
Favicon of Tiptap
Tiptap(101)
Favicon of Monaco Editor
Monaco Editor(83)
Favicon of Headless UI
Headless UI(56)
Favicon of TanStack Router
TanStack Router(40)
Favicon of Bootstrap
Bootstrap(36)
Favicon of D3.js
D3.js(36)
Favicon of Material UI
Material UI(32)
SaaS
Favicon of GitHub
GitHub(315)
Favicon of Postmark
Postmark(8)
Favicon of LaunchDarkly
LaunchDarkly(7)
Favicon of Cloudinary
Cloudinary(6)
Favicon of Figma
Figma(4)
Favicon of Dropbox
Dropbox(3)
Favicon of Lago
Lago(2)
Favicon of Pagerduty
Pagerduty(2)
Favicon of Postman
Postman(2)
Favicon of Split
Split(2)
Favicon of Spotify
Spotify(2)
Favicon of Wolfram Alpha
Wolfram Alpha(2)
App
Favicon of Nginx
Nginx(101)
Favicon of Grafana
Grafana(27)
Favicon of Caddy
Caddy(23)
Favicon of Traefik
Traefik(22)
Favicon of Zookeeper
Zookeeper(17)
Favicon of Kibana
Kibana(10)
Favicon of Adminer
Adminer(6)
Favicon of HAProxy
HAProxy(2)
Favicon of Kong
Kong(2)
Favicon of Postgrest
Postgrest(2)
Favicon of Tika
Tika(2)
Favicon of HTTPD
HTTPD(1)
Favicon